Re: [Xen-devel] [PATCH] Fix cd-insert problem not detecting type.

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2013-03-19 at 13:48 +0000, Stefano Stabellini wrote:
> On Fri, 15 Mar 2013, Frediano Ziglio wrote:
> > On Fri, 2013-03-15 at 14:51 +0000, Stefano Stabellini wrote:
> > > On Tue, 12 Mar 2013, Frediano Ziglio wrote:
> > > > In 4.1 you could use prefixes that using a regex are
> > > > 
> > > > (phy|file|tap2?:(aio:)?(vhd|qcow|qcow2|raw)):
> > > > 
> > > > you could use similar syntax in Xml file. If you run just "xl cd-insert"
> > > > output is
> > > 
> > > XML file? Are you sure that you are talking about xl and xm or something
> > > else?
> > > 
> > 
> > Was xl configuration files.
> 
> I didn't know that something like 
> 
> (phy|file|tap2?:(aio:)?(vhd|qcow|qcow2|raw))
> 
> is supported in the VM  config file.
> Maybe with xend, but certainly it can't be the case with XL.

For compatibility the phy/tap2/file ones are "supported" to the extent
that xl will accept but ignore them while the vhd/qcow/etc ones are
accepted and have the expected effect.

docs/misc/xl-disk-configuration.txt has the details. It does mention the
eventual potential removal of the deprecated prefixes, but AFAIK we
haven't done that.

Ian.


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